Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Operating Income:
Total Segment Operating Income	$ 1,248	$ 1,368	$ 917
Rationalizations	175	103	240
Interest Expense	357	330	316
Other (Income) and Expense	139	73	186
Asset Write-offs and Accelerated Depreciation	20	50	15
Corporate incentive compensation plans	69	70	71
Corporate pension curtailments and settlements	1	15	0
Intercompany profit elimination	(1)	5	14
Retained expenses of divested operations	14	29	20
Other	34	75	47
Income (Loss) before Income Taxes	440	618	8
Cost of Goods Sold Benefit from Contract Waiver	24
Assets	16,973	17,629	15,630
Net Sales	20,992	22,767	18,832
Long-Lived Assets	6,956	6,375	6,165
Cash and Cash Equivalents	2,281	2,772	2,005	1,922
North American Tire [Member]
Segment Operating Income:
Total Segment Operating Income	514	276	18
Rationalizations	43	72	184
Asset Write-offs and Accelerated Depreciation	1	43	2
Assets	5,170	5,744	5,243
Net Sales	9,666	9,859	8,205
Europe, Middle East and Africa Tire [Member]
Segment Operating Income:
Total Segment Operating Income	252	627	319
Rationalizations	100	15	41
Asset Write-offs and Accelerated Depreciation	0	0	1
Assets	5,415	5,915	5,266
Net Sales	6,884	8,040	6,407
Cash and Cash Equivalents	418	793
Cash and Cash Equivalents As A Percent Of Total	18.00%	29.00%
Asia Pacific Tire [Member]
Segment Operating Income:
Cash and Cash Equivalents	370	430
Cash and Cash Equivalents As A Percent Of Total	16.00%	16.00%
CHINA [Domain]
Segment Operating Income:
Long-Lived Assets	796	711	508
Latin American Tire [Member]
Segment Operating Income:
Total Segment Operating Income	223	231	330
Rationalizations	6	0	5
Assets	2,367	2,141	1,809
Net Sales	2,085	2,472	2,158
Cash and Cash Equivalents	622	527
Cash and Cash Equivalents As A Percent Of Total	27.00%	19.00%
Asia Pacific Tire [Member]
Segment Operating Income:
Total Segment Operating Income	259	234	250
Rationalizations	26	16	11
Asset Write-offs and Accelerated Depreciation	19	7	12
Assets	2,601	2,482	2,150
Net Sales	2,357	2,396	2,062
UNITED STATES
Segment Operating Income:
Income (Loss) before Income Taxes	146	(111)	(529)
Net Sales	8,416	8,397	7,104
Long-Lived Assets	2,424	2,367	2,411
GERMANY
Segment Operating Income:
Net Sales	2,541	2,962	2,229
Long-Lived Assets	788	691	676
Other International
Segment Operating Income:
Net Sales	10,035	11,408	9,499
Long-Lived Assets	2,948	2,606	2,570
Operating Segments [Member]
Segment Operating Income:
Rationalizations	175	103	241
Assets	15,553	16,282	14,468
Corporate [Member]
Segment Operating Income:
Rationalizations	0	0	(1)
Assets	$ 1,420	$ 1,347	$ 1,162